v2.2.3

safing/portmasterv2.2.3Aug 14, 2026by stenya

AI Summary

This release focuses on critical stability fixes, including crashes after restart and DNS listener issues, alongside improvements to mDNS reliability and DNS-over-HTTPS support.

Key Highlights

  • Fixed oversized DNS packets that could kill the internal DNS listener.
  • Fixed Portmaster crash after the first restart on some systems.
  • Resolved multiple mDNS reliability and correctness issues.
  • Fixed Windows uninstall overwriting unrelated startup registry entries.
  • Enabled HTTP/2 for DNS-over-HTTPS resolvers.

New Features

  • Enable HTTP/2 for DNS-over-HTTPS resolvers

Full Release Notes

## What's Changed
* fix: Oversized DNS packets could kill the internal DNS listener by @stenya in https://github.com/safing/portmaster/pull/2227
* fix: Multiple mDNS reliability and correctness issues by @stenya in https://github.com/safing/portmaster/pull/2229
* fix: Internal service workers could silently stop recovering after a failure by @stenya in https://github.com/safing/portmaster/pull/2228
* fix: Portmaster crash after the first restart on some systems by @stenya in https://github.com/safing/portmaster/issues/2191
* fix: (Windows) Uninstall overwriting unrelated startup registry entries by @GCDBusiness in https://github.com/safing/portmaster/pull/2217
* fix: (Windows) Logging regression that broke log output after service restart by @stenya in https://github.com/safing/portmaster/pull/2221
* fix: (UI) Enter key accidentally triggering delete buttons in the profile editor by @stenya
* improvement: Automatically repair corrupted intel/resource update artifacts by @floze-the-genius in https://github.com/safing/portmaster/pull/2196
* improvement: Enable HTTP/2 for DNS-over-HTTPS resolvers by @stenya
* improvement: Include block reason in denied DNS query logs by @stenya
* improvement: (UI) Add fingerprint tooltip to app profile cards in "All Apps" view by @stenya in https://github.com/safing/portmaster/issues/2183
* improvement: (UI) Add tooltips and group entries in the tools menu by @stenya

## New Contributors
* @GCDBusiness made their first contribution in https://github.com/safing/portmaster/pull/2217
* @floze-the-genius made their first contribution in https://github.com/safing/portmaster/pull/2196

**Full Changelog**: https://github.com/safing/portmaster/compare/v2.2.1...v2.2.3